Car-truck.



W. C. GAMBREL.

GAR TRUCK. AAAAAAAAAAAAAAAAA Us. 111111 1. 1,020,276. Patented Mar. 12, 1912.

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GAB TRUCK.

APPLICATION FILED AUG. 30, 1911.

1,020,276. Patented Mar.i12,1912.

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WALTER CALVIN GAMBREL, F TABOR, ILLINOIS.

CAR-TRUCK.

Specification of Letters Patent.

Patented Mar. 12, 1912.

Application filed August 30, 1911. Serial No. 646,847.

To all whom it may concern:

Be it known that I, lVAL'rEn C. GAMBREI., a citizen of the United States of America, residing at Tabor, in the county of Dewitt and State of Illinois, have invented new and useful Improvements in Car-Trucks, of which the following is a specification.

This invention relates to improvements in car trucks, and has for one of its objects to provide a truck which shall allow the car to take a curve and eliminate all unnecessary vibration due to the truck rounding a curve.

A further object of the present invention is lto provide a truck, the component parts of which when assembled shall prevent un- I, necessary vibration of the car, due to irregularities in the track structure, and which shall coperate with each other to allow movement of the truck relative to the car.

With the above and other objects in view the invention consists in the construction, combination,- and arrangement of parts hereinafter fully described, claimed, and illustrated in the accompanying drawings and more particularly pointed out in the appended claims; it being understood that various changes in the form, proportion, size, and minor details of the device may be made, within the scope of the appended claims, without departing from the spirit of the invention or sacrificing any advantages thereof.

In the drawings: Figure 1 is a view in side elevation of a truck, constructed in accordance with the present invention. Fig. 2 is an end view of the same. Fig. 3 is a transverse section through the main bearing. Fig. 4 is a top plan view of the bearing plate, and Fig. 5 is a top plan view of the truck with the bearing plate removed.

Referring particularly to the accompanying drawings in which like numerals of reference designate similar parts throughout the several views, the numeral 1 designates the truck frame, at each side of which are located the hangers 2 and 3 respectively. In the hangers 2 and 3 is journaled the axle 4 of the wheels 5, the hangers for this purpose being provided with arcuate openings 5 which latter receive the thrust boxings 6 supporting the axle. At their free ends the arcuate openings 5 are outturned to provide flanges 7 having bolt holes formed therein.

The numeral 8 designates a lubricant containing box formed with a lubricant receiving chamber 9 and having laterally projecting flanges 10 provided with openings, the openings in the flanges 10 alining with those of the flanges 7 whereby the lubricant containing box S may be bolted to the hangers and beneath the axles as shown. A lubricant supply opening 11 is formed in one side of the box 8, the latter being controlled by a cover 12 pivotally secured to the box S above the opening therein, as shown at 13. At their upper and opposite longitudinal edges the hangers 2 and 3 are provided with laterally projecting flanges 14 having bolt openings formed therein for the reception of bolts 15.

Upon the upper surfaces of the hangers 2 and 3 respectively are mounted cross pieces 16 and 17 of a width greater than the similar dimension of the hangers 2 and 3 so as to aline with the sides of the car and provided with bolt openings 18 adapted to be engaged by the bolts 15, the latter being provided with jam nuts 19 whereby to secure the cross pieces to the hangers. 'Each of the cross pieces 16 and 17 is provided upon its upper surface with a plurality of spaced supports 20, the supports being equal in length to the width of the cross pieces. Mounted upon each of these supports and upstanding therefrom are spaced posts 21. Ilncircling each of the posts 21 and of a height greater than the height of the posts are helical expansion springs 22 the purpose of which will be hereinafter fully described.

Mounted upon the upper extremities of the springs 22 is a bearing member 23, the latter comprising a bearing plate 24 to the opposite longitudinal sides of which are secured cross pieces 25 and 26 corresponding in dimensions with the cross pieces 16 and 17. The cross pieces 25 and 26 are, preferably, riveted or otherwise secured to the bearing plate 24 and each of said cross pieces is provided with a plurality of bolt openings, the bearing plate being provided with similar openings alining therewith and receiving the upper ends of the bolts 15 and being secured thereto by means of the nuts 27 screw threaded on the upper extremity of the bolts and engaged by jam nuts 28. The cross pieces 25 and 26 are provided with reinforcing bars 29 and 30 diagonally arranged beneath the bearing plate 24 and crossing each other at the center thereof.

Arranged upon the upper surface of the bearing plate 24 and centrally thereof is a cylindrical bearing 31, the latter receiving a companion bearing 32 carried by the bottom 38 of the car. Each of the members 31 and 32 are provided with alining openings 35 and 36 respectively, in which is mounted a king pin 37, the king pin comprising relatively movable sections 38 and 39 pivoted to each other as shown at 40 Each of the sections 38 and 39 of the king pin are rigidly secured to the respective bearing members 81 and 32, the pivotal connectionpermitting movement of the car body relative to the truck, upon a sudden application of the brakes to the wheels. The upper surface of the bearing plate 24 is also provided with segmental-shaped track ways 41 and 42 arranged substantially concentric with the bearing cup 31. These track ways 41 and 42 are engaged by rollers 43 and 44, the latter being supported in bracket members 45 secured to the bottom 33 of the car whereby in the rounding of a curve the bearing member 23 will be allowed to move relatively to the hangers due to the action of the springs 22 as will be understood.

In assembling the parts; the cross pieces 16 and 17 are placed upon the respective hangers and secured thereto, as described. After properly securing the cross pieces the bearing member 23 is placed thereon, the same spanning the intervening space between, the cross pieces and the cross pieces 25 and 26 engaging the springs 22, after which the nuts 27 and 28 are threaded onto the upper ends of the bolts 15 to secure the bearing member in position. From this construction it will be seen that upon the truck rounding a curve, or meeting any irregularities in the track structure, the bearing member 23 will be permitted to move toward or from the hangers thereby preventing unnecessary vibration of the car, the king bolt serving to secure the bearing member to the bottom of the car.

Having thus described my invention, what I claim and desire to secure by Letters-Patent, is:

1. A truck comprising spaced hangers, cross pieces secured to said hangers, springs mounted upon the upper surface of said cross pieces, a bearing plate, cross pieces secured to said bearing plate and engaging said springs, and means passing 4through said hangers, cross pieces, and bearing plate to insure the same against displacement, said means permitting movement of the bearing plate relative to the hangers.

2. A truck comprising spaced hangers, cross pieces secured to said hangers, springs mounted upon the upper surface of said cross pieces, a bearing plate, cross pieces secured to the under side of said bearing plate and engaging said springs, and bolts passing through said hangers, cross pieces and bearing plate to insure the same against displacement, said bolts permitting movement of the bearing plate relative to the hangers.

8. The combination with the bottom of a car, of a truck, a bearing plate secured to the truck, a bearing located centrally of said plate and projecting upwardly therefrom, a companion bearing arranged upon the bottom of the car and engaging the first-named bearing, and means connecting said companion bearings to permit forward movement of the car relative to the truck upon a sudden application of the brakes.

4. The combination with a car and a truck therefor, of companion bearing members carried by said car and truck respectively, a king pin composed of a plurality of sections connecting said companion bearing members and adapted to permit movement of the car relatively to the truck upon a sudden application of the brakes.

5. The combination with a car and a truck therefor, of companion bearing members carried by said car and truck respectively and adapted for relative movement, and a king pin composed of two sections and adapted to connect said companion bearing members to permit relative movement thereof whereby to allow movement of the car relatively to the truck upon a sudden application of the brakes.

In testimony whereof I affix my signature in presence of two witnesses.

IVAL'IER CALVIN GAMBREL. lVitnesses J. M. TEAL,

ANDREW RoULsToN.

Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents,

Washington, D. C. 

